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standard gauge — n. 1. a width of 56.5 in (143.5 cm) between the rails of a railroad track, established as standard 2. a railroad having such a gauge 3. a locomotive or car for tracks of such a gauge standard gauge adj. * * * … Universalium

standard gauge — n. 1. a width of 56.5 in (143.5 cm) between the rails of a railroad track, established as standard 2. a railroad having such a gauge 3. a locomotive or car for tracks of such a gauge standard gauge adj … English World dictionary